From 665bfbc991a753a6fc2eceb7204a5a25996157bb Mon Sep 17 00:00:00 2001 From: Istvan Csomortani Date: Tue, 15 Mar 2016 18:38:55 +0200 Subject: [PATCH] axi_ad7616: Add M_AXIS_READY_ENABLE parameter m_axis_ready can be driven by the DMA or can have a constant active state. By default is always one. --- library/axi_ad7616/axi_ad7616.v | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/library/axi_ad7616/axi_ad7616.v b/library/axi_ad7616/axi_ad7616.v index e18708ea0..600a48533 100644 --- a/library/axi_ad7616/axi_ad7616.v +++ b/library/axi_ad7616/axi_ad7616.v @@ -96,6 +96,7 @@ module axi_ad7616 ( parameter ID = 0; parameter IF_TYPE = 1; + parameter M_AXIS_READY_ENABLE = 0; // local parameters @@ -179,6 +180,8 @@ module axi_ad7616 ( wire rd_dvalid_s; wire [ 4:0] burst_length_s; + wire m_axis_ready_s; + // internal registers reg up_wack = 1'b0; @@ -205,6 +208,8 @@ module axi_ad7616 ( end end + assign m_axis_ready_s = (M_AXIS_READY_ENABLE) ? m_axis_tready : 1'b1; + generate if (IF_TYPE == SERIAL) begin // ground all parallel interface signals @@ -328,7 +333,7 @@ module axi_ad7616 ( .sync_ready (s1_sync_ready_s), .sync_data (s1_sync_s), .offload_sdi_valid (m_axis_tvalid), - .offload_sdi_ready (m_axis_tready), + .offload_sdi_ready (m_axis_ready_s), .offload_sdi_data (m_axis_tdata)); spi_engine_interconnect #( @@ -426,7 +431,7 @@ module axi_ad7616 ( .wr_n(wr_n), .m_axis_tdata(m_axis_tdata), .m_axis_tvalid(m_axis_tvalid), - .m_axis_tready(m_axis_tready), + .m_axis_tready(m_axis_ready_s), .m_axis_xfer_req(m_axis_xfer_req), .end_of_conv(trigger_s), .burst_length(burst_length_s),